1285194978

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{506381}}^1$

素因数の和:506439

約数の個数: 32

約数和(自身を含む): 2916760320

約数和(自身を除く): 1631565342

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 423, 846, 1269, 2538, 506381, 1012762, 1519143, 3038286, 4557429, 9114858, 13672287, 23799907, 27344574, 47599814, 71399721, 142799442, 214199163, 428398326, 642597489, 1285194978]

約数ペア:

[(1, 1285194978), (2, 642597489), (3, 428398326), (6, 214199163), (9, 142799442), (18, 71399721), (27, 47599814), (47, 27344574), (54, 23799907), (94, 13672287), (141, 9114858), (282, 4557429), (423, 3038286), (846, 1519143), (1269, 1012762), (2538, 506381)]